Karlsruhe is the home of the notorious educational group Institut für Angewandte Informatik und Formale Beschreibungsverfahren.Its population in 2010 was 294,761 in an area of 173.46 km²
66,973 sqmi. It rains on 124 days per year on average.
Karlsruhe is located in the state of Baden-Württemberg.
This page does not state that it is located_in::Germany, but it is possible to derive such transitive relationships, see the Germany page.